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4–5
To connect the module directly to a computer, you can use a data terminal
interface cable (cat. no. 1770-CG). This cable plugs into the RS-232-C
PORT connector on the module and the RS-232-C compatible connector
on the computer. Connect the cable shield at one end only.
The 1770-CG cable is 16.5 feet long. If you need a longer cable or a
male/female adapter cable, you can construct your own according to the
wiring diagram in Figure 4.2. Make sure that the cable length does not
exceed 50 feet.
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This type of connection includes the DTR signal to allow each end to
detect the loss of the other end’s ability to communicate. If your computer
does not provide the DTR signal, jumper pins 6 and 8 at the module to pin
11.
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